dps.commons.reflect

Class ReflectHelper

java.lang.Object

dps.commons.reflect.ReflectHelper

public class ReflectHelper
extends Object

Author:

ferenci84

Constructor Summary

Constructors

Constructor and Description
ReflectHelper()

Method Summary

Modifier and Type	Method and Description
static Constructor	findConstructor(Class<?> clazz, Object... args)
static Method	findMethod(Class<?> clazz, String name, Object... args)
static Method[]	findMethodsWithName(Class<?> clazz, String name, int noOfParams)
static Method	findMethodWithName(Class<?> clazz, String name, int noOfParams)
static <A extends Annotation> A	getAnnotation(Class<?> clazz, Class<A> annotationClass)
static List<Class<?>>	getClassChain(Class<?> clazz)
static Object	getEntityId(javax.persistence.EntityManager em, Object entity)
static Class<?>	getEntityIdType(javax.persistence.EntityManager em, Class<?> entityClass)
static String	getGetterName(String field)
static Class<?>	getProxiedClass(Class<?> clazz)
static String	getSetterName(String field)
static Class<?>	getTypeParameter(Class<?> clazz)
static <T> Class<T>	getTypeParameter(Class<?> clazz, int idx)
static Type[]	getTypeParameters(Class<?> clazz)
static Boolean	hasAnnotation(Class<?> clazz, Class<? extends Annotation> annotationClass)
static Object	invokeMethod(Class<?> clazz, String name, Object obj, Object... args)
static Object	invokeMethod(Method method, Object obj, Object... args)
static Object	newInstance(Class<?> clazz, Object... args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReflectHelper

public ReflectHelper()

Method Detail

findConstructor

public static Constructor findConstructor(Class<?> clazz,
                                          Object... args)
                                   throws NoSuchMethodException

Throws:

NoSuchMethodException

newInstance

public static Object newInstance(Class<?> clazz,
                                 Object... args)

getTypeParameter

public static Class<?> getTypeParameter(Class<?> clazz)

getTypeParameter

public static <T> Class<T> getTypeParameter(Class<?> clazz,
                                            int idx)

getTypeParameters

public static Type[] getTypeParameters(Class<?> clazz)

getEntityId

public static Object getEntityId(javax.persistence.EntityManager em,
                                 Object entity)

getEntityIdType

public static Class<?> getEntityIdType(javax.persistence.EntityManager em,
                                       Class<?> entityClass)

getGetterName

public static String getGetterName(String field)

getSetterName

public static String getSetterName(String field)

findMethod

public static Method findMethod(Class<?> clazz,
                                String name,
                                Object... args)
                         throws NoSuchMethodException

Throws:

NoSuchMethodException

findMethodWithName

public static Method findMethodWithName(Class<?> clazz,
                                        String name,
                                        int noOfParams)
                                 throws NoSuchMethodException

Throws:

NoSuchMethodException

findMethodsWithName

public static Method[] findMethodsWithName(Class<?> clazz,
                                           String name,
                                           int noOfParams)
                                    throws NoSuchMethodException

Throws:

NoSuchMethodException

invokeMethod

public static Object invokeMethod(Class<?> clazz,
                                  String name,
                                  Object obj,
                                  Object... args)

invokeMethod

public static Object invokeMethod(Method method,
                                  Object obj,
                                  Object... args)

getProxiedClass

public static Class<?> getProxiedClass(Class<?> clazz)

getClassChain

public static List<Class<?>> getClassChain(Class<?> clazz)

getAnnotation

public static <A extends Annotation> A getAnnotation(Class<?> clazz,
                                                     Class<A> annotationClass)

hasAnnotation

public static Boolean hasAnnotation(Class<?> clazz,
                                    Class<? extends Annotation> annotationClass)